Pointe de la Pescade 5

Denys in consortium with Eurohinca, built the “sewage Tunnel”, 2,7 km long, with an interior diameter of 3,3 m in an urban environment. The objective of the tunnel was to transport used water.

TNL18 was involved from the beginning of the works and carried out the soil treatment with the foaming agents ACTISOYL WW and ACTISOYL 100.

Tail seal greases were also used to do the good sealing of shield with ACTISEAL FF, ACTISEAL PS2 and ACTISEAL 18.

For the main bearing sealing, ACTISEAL MB was used during whole tunnel completion.

It was essential the technical service offered by TNL18 in Algeria.